300Tdi Discovery
86
ELECTRICAL
10
DESCRIPTION AND OPERATION
Radio frequency system
The RF system uses frequencies according to market
and both ECU and handset are colour coded:
Territory
ECU/Handset
...............................
Frequency
..................
Europe
Blue/Blue
..................................
433.92 MHz
.........................
NAS
Green/Green
.......................................
315.00 MHz
....................
Japan
Green/Green
....................................
315.00 MHz
....................
Gulf
Green/Green
.......................................
315.00 MHz
....................
Rest of World
Green/Brown
........................
315.00 MHz
...................
NOTE: In service NAS, Japan and Gulf will
have the handset changed to brown.
Passive coil
The passive coil excites a receiving coil in the handset
causing it to automatically transmit a remobilisation
signal to the ECU.
Inertia switch and central door locking
Actuation of the inertia switch will cause the doors to
be unlocked. A time-out period (programmable
between 0-5 minutes) will ensue, during which all CDL
and alarm activity is disabled.
NOTE: This feature only applies when the
starter switch is in the on position.
Handset
Under normal circumstances pressing the respective
buttons on the handset once, will unlock or lock the
vehicle. If operating the handset does not achieve the
desired effect
See Repair, Handset.
Functional detail
For full functional details and circuit diagrams
See
Electrical Trouble Shooting Manual..
Vehicle traceability
All Land Rover vehicles are fitted with a multitude of
discreet security features to prevent theft or assist
recovery in the event of a vehicle being stolen. All
vehicles are traceable, since it is impossible to
remove all security identification.
